1
Q
What is a random variable
A
A variable that represents a single experiment or trial
It consists with outcomes with a probability for each
2
Q
what does p(X = x) mean
A
the probability of the outcome of the randome variable was the specific variable
3
Q
X vs x
A
X is the random variable
x is the specific variable
4
Q
What is a piecewise function
A
one where the function is chosen from a list depending on the input
5
Q
what is a discrete uniform distiubution
A
one where the probability of each outcome is the same
e.g. coin toss
6
Q
What is a probability mass function
A
used for a discrete random variable
the probability of each outcome represents an actual amount of probability
7
Q
What is a probability density function
A
probability for continuous random variables
similar to frequency density
A- Level Maths
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